FNUS73 KMPX 251044
FWSMPX

SPOT FORECAST FOR SBR  BU-40C...USFWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
544 AM CDT THU MAR 25 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT HAS PUSHED THROUGH THE PLANNING AREA THIS MORNING...WITH STRONG
AND GUSTY NORTH WINDS USHERING IN COLDER AND SIGNIFICANTLY DRIER AIR. HIGHS
TODAY ARE EXPECTED TO STAY IN THE UPPER 30S...BUT WITH AFTERNOON DEWPOINTS
EXPECTED TO BE 1 TO 4 BELOW ZERO...MINIMUM RELATIVE HUMIDITY LEVELS IN THE
UPPER TEENS TO LOWER 20S. FORTUNATELY...THE PRESSURE GRADIENT WILL BE RELAXING
DURING THE DAY...WITH WIND SPEEDS FALLING BELOW 10 MPH BY THE AFTERNOON. WARMER
AND MORE MOIST AIR WILL BEGIN WORKING INTO THE REGION TONIGHT AS WINDS TURN
TO THE SE. BY FRIDAY AFTERNOON...S WINDS OF 15 TO 20 MPH WILL BE POSSIBLE. FOR
SATURDAY...ANOTHER APPROACHING BOUNDARY WILL BRING ABOUT A CHANCE
FOR RAIN...THOUGH AMOUNTS AT THIS POINT LOOK TO BE FAIRLY LIGHT...WITH UP TO
A TENTH AN INCH POSSIBLE.

.TODAY...

SKY/WEATHER.........SUNNY.
                    TEMPERATURE.........27 AT IGNITION...MAX 37.
                    MIN HUMIDITY........40 PERCENT AT IGNITION...MIN 16 PERCENT.
WIND (20 FT)........WINDS NORTH AT 11 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 8 TO 13 MPH UNTIL LATE AFTERNOON
                    BECOMING LIGHT.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....FAIR TO GOOD (20800-49800).
MIXING HEIGHT.......2400-4100 FT AGL INCREASING TO 4000-4600 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 17 TO 26 MPH DECREASING TO 7 TO 15 MPH
                    LATE IN THE MORNING.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........CLEAR  CLEAR  CLEAR  CLEAR  MCLEAR CLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............23     27     32     36     37     35
RH..............57     40     27     19     16     18
20 FT WIND......N 11   N 10   N 8    N 7    N 5    NE 4
20 FT WIND GUST.20     15     15     10            5
HAINES INDEX....4      4      4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....20.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (1300-16100).
MIXING HEIGHT.......2500-3700 FT AGL DECREASING TO 300-1400 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........SOUTHEAST 6 TO 13 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....49.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH WITH GUSTS TO AROUND
                    30 MPH.
HAINES INDEX........3 TO 4 OR OR VERY LOW TO OR LOW.
SMOKE DISPERSAL.....POOR TO GOOD (2800-43200) INCREASING TO FAIR TO
                    EXCELLENT (27200-72900) IN THE AFTERNOON.
MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 1200-3100 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 15 TO 24 MPH INCREASING TO 26 TO 31 MPH
                    LATE IN THE MORNING.

$$
FORECASTER...WFO MPX
REQUESTED BY...RUSS LANGFORD
TYPE OF REQUEST...PRESCRIBED
.TAG 20100325.SBRBU.01/MPX